how to add two list objects to single list and iterate them separately

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Java

struts

Hi. i have two resultSet values. i have added two different List. and add them these two list to map.
Like in Dao class:

map.put("list1",l1);
map.put("list2",l2);
return map:

In Action class:

Map<String,List<CurrentStock>> data=BMR_Details.Current_stock(CurrentStock);
request.setAttribute("data", data);

In Jsp page:

<logic:iterate name="data" id="current" scope="request">
<bean:define id="CurrentStock" name="current" property="value"/> 
<logic:iterate name="CurrentStock" id="myString" >
<tr>
<td><logic:notEmpty name="ing_name" ><bean:write  name="myString" property="ing_name"/></logic:notEmpty></td>
<td><logic:notEmpty name="myString"><bean:write  name="myString" property="quantity"/></logic:notEmpty></td>
<td><logic:notEmpty name="myString"><bean:write  name="myString" property="std_qty"/></logic:notEmpty></td>
<td><logic:notEmpty name="myString"><bean:write  name="myString" property="units"/></logic:notEmpty></td>

But it displays first list values as null then list one values. I want only list 1 values in this logic:iterate.
I want display List1 values in one table and list2 values in another table.
How to do. please help me


Thanks In advance